[fix] examples page, link to doc

Author: Ken Berkeley

examples/dist/client.1c2f3b75.js

@@ -18,7 +18,7 @@
         </i>
         <ul class="nav navbar-nav navbar-right">
           <li>
-            <a target="_blank" href="https://OneWayTech.github.io/vue2-datatable/docs/_book">
+            <a target="_blank" href="https://OneWayTech.github.io/vue2-datatable/doc">
               <i class="fa fa-book"></i> Documentation
             </a>
           </li>